n. an apparatus for copying documents by the use of a gelatin plate which receives an impression of the master copy.
HECTOGRAPH
Meaning of HECTOGRAPH in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012
n. an apparatus for copying documents by the use of a gelatin plate which receives an impression of the master copy.
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012